./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b26970eb65416cb1a1e0bb57bcc2feb0d77f09134ca74c3d0e7292816d2c43c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 22:33:01,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 22:33:01,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 22:33:01,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 22:33:01,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 22:33:01,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 22:33:01,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 22:33:01,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 22:33:01,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 22:33:01,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 22:33:01,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 22:33:01,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 22:33:01,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 22:33:01,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 22:33:01,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 22:33:01,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 22:33:01,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 22:33:01,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 22:33:01,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 22:33:01,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 22:33:01,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 22:33:01,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 22:33:01,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 22:33:01,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 22:33:01,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 22:33:01,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 22:33:01,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 22:33:01,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 22:33:01,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 22:33:01,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 22:33:01,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 22:33:01,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 22:33:01,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 22:33:01,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 22:33:01,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 22:33:01,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 22:33:01,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 22:33:01,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 22:33:01,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 22:33:01,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 22:33:01,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 22:33:01,132 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-21 22:33:01,160 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 22:33:01,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 22:33:01,161 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 22:33:01,161 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 22:33:01,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 22:33:01,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 22:33:01,162 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 22:33:01,162 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-21 22:33:01,163 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-21 22:33:01,163 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-21 22:33:01,163 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-21 22:33:01,163 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-21 22:33:01,163 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-21 22:33:01,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 22:33:01,164 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 22:33:01,164 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 22:33:01,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 22:33:01,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 22:33:01,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 22:33:01,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-21 22:33:01,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-21 22:33:01,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-21 22:33:01,165 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 22:33:01,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 22:33:01,165 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-21 22:33:01,166 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 22:33:01,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-21 22:33:01,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 22:33:01,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 22:33:01,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 22:33:01,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 22:33:01,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 22:33:01,168 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-21 22:33:01,168 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b26970eb65416cb1a1e0bb57bcc2feb0d77f09134ca74c3d0e7292816d2c43c [2021-12-21 22:33:01,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 22:33:01,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 22:33:01,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 22:33:01,423 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 22:33:01,424 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 22:33:01,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2021-12-21 22:33:01,479 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bdf1082f/950642a5237f49cd9ab6abf2ef75497a/FLAGd1c429ce6 [2021-12-21 22:33:01,946 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 22:33:01,949 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2021-12-21 22:33:01,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bdf1082f/950642a5237f49cd9ab6abf2ef75497a/FLAGd1c429ce6 [2021-12-21 22:33:02,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bdf1082f/950642a5237f49cd9ab6abf2ef75497a [2021-12-21 22:33:02,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 22:33:02,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 22:33:02,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 22:33:02,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 22:33:02,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 22:33:02,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:33:02" (1/1) ... [2021-12-21 22:33:02,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513aca11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:33:02, skipping insertion in model container [2021-12-21 22:33:02,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:33:02" (1/1) ... [2021-12-21 22:33:02,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 22:33:02,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 22:33:02,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c[8611,8624] [2021-12-21 22:33:02,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:33:02,607 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 22:33:02,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c[8611,8624] [2021-12-21 22:33:02,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:33:02,693 INFO L208 MainTranslator]: Completed translation [2021-12-21 22:33:02,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:33:02 WrapperNode [2021-12-21 22:33:02,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 22:33:02,705 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 22:33:02,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 22:33:02,705 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 22:33:02,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:33:02" (1/1) ... [2021-12-21 22:33:02,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:33:02" (1/1) ... [2021-12-21 22:33:02,802 INFO L137 Inliner]: procedures = 55, calls = 157, calls flagged for inlining = 54, calls inlined = 79, statements flattened = 564 [2021-12-21 22:33:02,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 22:33:02,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 22:33:02,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 22:33:02,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 22:33:02,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:33:02" (1/1) ... [2021-12-21 22:33:02,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:33:02" (1/1) ... [2021-12-21 22:33:02,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:33:02" (1/1) ... [2021-12-21 22:33:02,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:33:02" (1/1) ... [2021-12-21 22:33:02,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:33:02" (1/1) ... [2021-12-21 22:33:02,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:33:02" (1/1) ... [2021-12-21 22:33:02,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:33:02" (1/1) ... [2021-12-21 22:33:02,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 22:33:02,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 22:33:02,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 22:33:02,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 22:33:02,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:33:02" (1/1) ... [2021-12-21 22:33:02,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:33:02,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:33:02,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:33:02,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-21 22:33:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 22:33:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 22:33:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 22:33:02,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 22:33:03,003 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 22:33:03,004 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 22:33:03,342 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 22:33:03,349 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 22:33:03,349 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 22:33:03,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:33:03 BoogieIcfgContainer [2021-12-21 22:33:03,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 22:33:03,353 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-21 22:33:03,353 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-21 22:33:03,356 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-21 22:33:03,356 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:33:03,357 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.12 10:33:02" (1/3) ... [2021-12-21 22:33:03,358 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d55f1b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:33:03, skipping insertion in model container [2021-12-21 22:33:03,358 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:33:03,359 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:33:02" (2/3) ... [2021-12-21 22:33:03,363 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d55f1b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:33:03, skipping insertion in model container [2021-12-21 22:33:03,363 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:33:03,363 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:33:03" (3/3) ... [2021-12-21 22:33:03,364 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product31.cil.c [2021-12-21 22:33:03,411 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-21 22:33:03,411 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-21 22:33:03,412 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-21 22:33:03,412 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-21 22:33:03,412 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-21 22:33:03,412 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-21 22:33:03,412 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-21 22:33:03,412 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-21 22:33:03,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 154 states, 153 states have (on average 1.34640522875817) internal successors, (206), 153 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:33:03,455 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2021-12-21 22:33:03,455 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:33:03,455 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:33:03,460 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:33:03,461 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:33:03,461 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-21 22:33:03,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 154 states, 153 states have (on average 1.34640522875817) internal successors, (206), 153 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:33:03,468 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2021-12-21 22:33:03,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:33:03,468 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:33:03,469 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:33:03,469 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:33:03,473 INFO L791 eck$LassoCheckResult]: Stem: 138#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 49#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 13#L270true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 146#L263true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 154#L278true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 63#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 128#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 66#L534-2true [2021-12-21 22:33:03,474 INFO L793 eck$LassoCheckResult]: Loop: 66#L534-2true assume !false; 98#L535true assume test_~splverifierCounter~0#1 < 4; 73#L536true test_~tmp~6#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 124#L544true assume !(0 != test_~tmp~6#1); 7#L544-2true test_~tmp___0~2#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 156#L554true assume !(0 != test_~tmp___0~2#1); 20#L554-2true test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 21#L564true assume 0 != test_~tmp___2~0#1; 56#L570-2true assume { :begin_inline_timeShift } true; 72#L321true assume !(0 != ~pumpRunning~0); 93#L321-2true assume !(0 != ~systemActive~0); 82#L328-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_#t~ret12#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 118#L202-1true __utac_acc__Specification1_spec__1_#t~ret11#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret11#1;havoc __utac_acc__Specification1_spec__1_#t~ret11#1; 137#L293true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1); 122#L293-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 58#L338true assume { :end_inline_timeShift } true; 66#L534-2true [2021-12-21 22:33:03,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:33:03,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-21 22:33:03,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:33:03,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019033812] [2021-12-21 22:33:03,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:33:03,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:33:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:33:03,593 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:33:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:33:03,639 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:33:03,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:33:03,642 INFO L85 PathProgramCache]: Analyzing trace with hash -126028796, now seen corresponding path program 1 times [2021-12-21 22:33:03,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:33:03,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353974547] [2021-12-21 22:33:03,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:33:03,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:33:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:33:03,670 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:33:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:33:03,680 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:33:03,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:33:03,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1229390280, now seen corresponding path program 1 times [2021-12-21 22:33:03,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:33:03,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91307863] [2021-12-21 22:33:03,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:33:03,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:33:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:33:03,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:33:03,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:33:03,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91307863] [2021-12-21 22:33:03,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91307863] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 22:33:03,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 22:33:03,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 22:33:03,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884585313] [2021-12-21 22:33:03,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 22:33:03,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 22:33:03,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 22:33:03,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-21 22:33:03,973 INFO L87 Difference]: Start difference. First operand has 154 states, 153 states have (on average 1.34640522875817) internal successors, (206), 153 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:33:04,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 22:33:04,093 INFO L93 Difference]: Finished difference Result 359 states and 461 transitions. [2021-12-21 22:33:04,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 22:33:04,098 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 359 states and 461 transitions. [2021-12-21 22:33:04,107 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 231 [2021-12-21 22:33:04,113 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 359 states to 329 states and 431 transitions. [2021-12-21 22:33:04,119 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 329 [2021-12-21 22:33:04,121 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 329 [2021-12-21 22:33:04,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 329 states and 431 transitions. [2021-12-21 22:33:04,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 22:33:04,127 INFO L681 BuchiCegarLoop]: Abstraction has 329 states and 431 transitions. [2021-12-21 22:33:04,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states and 431 transitions. [2021-12-21 22:33:04,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 193. [2021-12-21 22:33:04,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 193 states have (on average 1.310880829015544) internal successors, (253), 192 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:33:04,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 253 transitions. [2021-12-21 22:33:04,178 INFO L704 BuchiCegarLoop]: Abstraction has 193 states and 253 transitions. [2021-12-21 22:33:04,178 INFO L587 BuchiCegarLoop]: Abstraction has 193 states and 253 transitions. [2021-12-21 22:33:04,178 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-21 22:33:04,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 193 states and 253 transitions. [2021-12-21 22:33:04,187 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 136 [2021-12-21 22:33:04,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:33:04,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:33:04,191 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:33:04,192 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:33:04,192 INFO L791 eck$LassoCheckResult]: Stem: 671#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 604#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 552#L270 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 553#L263 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 672#L278 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 620#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 621#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 613#L534-2 [2021-12-21 22:33:04,193 INFO L793 eck$LassoCheckResult]: Loop: 613#L534-2 assume !false; 624#L535 assume test_~splverifierCounter~0#1 < 4; 631#L536 test_~tmp~6#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 632#L544 assume !(0 != test_~tmp~6#1); 540#L544-2 test_~tmp___0~2#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 541#L554 assume !(0 != test_~tmp___0~2#1); 566#L554-2 test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 567#L564 assume 0 != test_~tmp___2~0#1; 569#L570-2 assume { :begin_inline_timeShift } true; 609#L321 assume !(0 != ~pumpRunning~0); 585#L321-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 651#L379 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret13#1, processEnvironment__wrappee__methaneQuery_~tmp~2#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~2#1; 664#L353-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 608#L345-3 assume { :end_inline_processEnvironment__wrappee__base } true; 554#L353-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 555#L379-1 assume { :end_inline_processEnvironment } true; 600#L328-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_#t~ret12#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 639#L202-1 __utac_acc__Specification1_spec__1_#t~ret11#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret11#1;havoc __utac_acc__Specification1_spec__1_#t~ret11#1; 663#L293 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1); 595#L293-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 612#L338 assume { :end_inline_timeShift } true; 613#L534-2 [2021-12-21 22:33:04,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:33:04,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-21 22:33:04,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:33:04,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636962866] [2021-12-21 22:33:04,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:33:04,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:33:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:33:04,221 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:33:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:33:04,243 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:33:04,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:33:04,249 INFO L85 PathProgramCache]: Analyzing trace with hash 953586313, now seen corresponding path program 1 times [2021-12-21 22:33:04,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:33:04,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092496020] [2021-12-21 22:33:04,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:33:04,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:33:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:33:04,259 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:33:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:33:04,268 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:33:04,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:33:04,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1405255493, now seen corresponding path program 1 times [2021-12-21 22:33:04,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:33:04,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508576106] [2021-12-21 22:33:04,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:33:04,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:33:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:33:04,281 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:33:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:33:04,294 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:33:07,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.12 10:33:07 BoogieIcfgContainer [2021-12-21 22:33:07,030 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-21 22:33:07,031 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 22:33:07,031 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 22:33:07,031 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 22:33:07,032 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:33:03" (3/4) ... [2021-12-21 22:33:07,033 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-21 22:33:07,071 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 22:33:07,071 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 22:33:07,072 INFO L158 Benchmark]: Toolchain (without parser) took 4797.43ms. Allocated memory was 113.2MB in the beginning and 186.6MB in the end (delta: 73.4MB). Free memory was 84.3MB in the beginning and 116.5MB in the end (delta: -32.2MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2021-12-21 22:33:07,073 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:33:07,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.04ms. Allocated memory was 113.2MB in the beginning and 155.2MB in the end (delta: 41.9MB). Free memory was 84.0MB in the beginning and 122.2MB in the end (delta: -38.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 22:33:07,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.74ms. Allocated memory is still 155.2MB. Free memory was 122.2MB in the beginning and 119.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:33:07,074 INFO L158 Benchmark]: Boogie Preprocessor took 37.40ms. Allocated memory is still 155.2MB. Free memory was 119.2MB in the beginning and 117.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:33:07,075 INFO L158 Benchmark]: RCFGBuilder took 510.73ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 96.3MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-21 22:33:07,075 INFO L158 Benchmark]: BuchiAutomizer took 3677.72ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 96.3MB in the beginning and 119.7MB in the end (delta: -23.4MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2021-12-21 22:33:07,076 INFO L158 Benchmark]: Witness Printer took 40.84ms. Allocated memory is still 186.6MB. Free memory was 119.7MB in the beginning and 116.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:33:07,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.04ms. Allocated memory was 113.2MB in the beginning and 155.2MB in the end (delta: 41.9MB). Free memory was 84.0MB in the beginning and 122.2MB in the end (delta: -38.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.74ms. Allocated memory is still 155.2MB. Free memory was 122.2MB in the beginning and 119.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.40ms. Allocated memory is still 155.2MB. Free memory was 119.2MB in the beginning and 117.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 510.73ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 96.3MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 3677.72ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 96.3MB in the beginning and 119.7MB in the end (delta: -23.4MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. * Witness Printer took 40.84ms. Allocated memory is still 186.6MB. Free memory was 119.7MB in the beginning and 116.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 193 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 136 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 193 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 730 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 730 mSDsluCounter, 1059 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 860 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 199 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 534]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, tmp=0, NULL=0, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2039dea6=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@211bf623=0, tmp___0=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d9a0910=0, methaneLevelCritical=0, retValue_acc=0, \result=0, retValue_acc=1, retValue_acc=0, \result=1, tmp___2=29, cleanupTimeShifts=4, tmp=1, \result=0, tmp=0, head=0, tmp___1=0, tmp=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f7aa3e2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18475015=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d6e7eda=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e51457c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1eac5596=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24139f23=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 534]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L159] int waterLevel = 1; [L160] int methaneLevelCritical = 0; [L314] int pumpRunning = 0; [L315] int systemActive = 1; [L769] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L274] int retValue_acc ; [L277] retValue_acc = 1 [L278] return (retValue_acc); [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L525] int splverifierCounter ; [L526] int tmp ; [L527] int tmp___0 ; [L528] int tmp___1 ; [L529] int tmp___2 ; [L532] splverifierCounter = 0 Loop: [L534] COND TRUE 1 [L536] COND TRUE splverifierCounter < 4 [L542] tmp = __VERIFIER_nondet_int() [L544] COND FALSE !(\read(tmp)) [L552] tmp___0 = __VERIFIER_nondet_int() [L554] COND FALSE !(\read(tmp___0)) [L562] tmp___2 = __VERIFIER_nondet_int() [L564] COND TRUE \read(tmp___2) [L579] CALL timeShift() [L321] COND FALSE !(\read(pumpRunning)) [L328] COND TRUE \read(systemActive) [L330] CALL processEnvironment() [L376] int tmp ; [L379] COND FALSE !(\read(pumpRunning)) [L394] CALL processEnvironment__wrappee__methaneQuery() [L350] int tmp ; [L353] COND FALSE !(\read(pumpRunning)) [L368] FCALL processEnvironment__wrappee__base() [L394] RET processEnvironment__wrappee__methaneQuery() [L330] RET processEnvironment() [L336] CALL __utac_acc__Specification1_spec__1() [L286] int tmp ; [L287] int tmp___0 ; [L291] CALL, EXPR isMethaneLevelCritical() [L198] int retValue_acc ; [L201] retValue_acc = methaneLevelCritical [L202] return (retValue_acc); [L291] RET, EXPR isMethaneLevelCritical() [L291] tmp = isMethaneLevelCritical() [L293] COND FALSE !(\read(tmp)) [L336] RET __utac_acc__Specification1_spec__1() [L579] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-21 22:33:07,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)